Malicious Code Detected in Epiro Package (npm) - MAL-2025-6799

epiro Updated 02 Oct 2025

Summary

07/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-6799: Malicious code in epiro (npm). Affects epiro versions 1.0.0. No fix is published. How to fix ↓

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Background

Epiro is an npm package that serves specific functionalities within JavaScript applications. It is designed to facilitate certain tasks, but it has been identified as malicious due to its communication with a domain linked to harmful activities. This vulnerability raises concerns about the security and integrity of applications relying on this package.

Vulnerability Detail

The vulnerability in the Epiro package originates from its version 1.0.0, which has been flagged as malicious by the OpenSSF Package Analysis project. The package is known to communicate with a domain associated with malicious activities, potentially leading to data breaches, unauthorized access, or other security threats. Users of this package are at risk of exposing sensitive information or compromising their systems due to this malicious behavior.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall epiro

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As a workaround, you can temporarily avoid using the Epiro package by commenting out any code that relies on it. For example, if your code includes: '

const epiro = require('epiro');

', you can comment it out as follows: '//

const epiro = require('epiro');

'. This will prevent the malicious code from executing while you seek a more secure alternative.

Conclusion

The Epiro package has been identified as malicious due to its communication with harmful domains. Users are advised to uninstall the package and seek secure alternatives to protect their applications from potential threats. Utilizing tools like Vulert can help monitor and alert for vulnerabilities in real-time.

See every vulnerability recorded for epiro →

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FAQ

Epiro is an npm package used in JavaScript applications for specific functionalities. However, it has been identified as malicious.

The vulnerability can lead to data breaches and unauthorized access, compromising the security of your application.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without any signup.

No, there is currently no patched version available for the Epiro package. It is recommended to uninstall it and use alternative packages.

You should uninstall the Epiro package immediately and review your code for any dependencies on it. Replace it with a secure alternative.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall epiro

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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